#263B81#263B81

#263B81 is a dark, vivid blue. Relative luminance 0.051; OKLCH L 37.8% C 0.121 H 267.7°. Best body text is #FFFFFF at 10.37:1 contrast (WCAG AA passes).

Color values

HEX	#263B81
RGB	rgb(38, 59, 129)
HSL	hsl(226, 54%, 33%)
HSV	hsv(226, 71%, 51%)
CMYK	cmyk(70.5%, 54.3%, 0%, 49.4%)
CIE-LAB	lab(27.09, 16.89, -42.03)
CIE-LCH	lch(27.09, 45.30, 291.90°)
OKLab	oklab(37.76% -0.0049 -0.1208)
OKLCH	oklch(37.76% 0.121 267.7)
XYZ	xyz(6.3244, 5.1244, 21.4204)
Luminance	0.0512 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263B81 #816C26

analogous

#266881 #263B81 #3F2681

triadic

#263B81 #81263B #3B8126

tetradic

#263B81 #812668 #816C26 #26813F

square

#263B81 #812668 #816C26 #26813F

split-complementary

#263B81 #813F26 #688126

monochromatic

#0A1022 #182552 #263B81 #3451B0 #5570CD

Accessibility & contrast

On white

10.37

#263B81 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#263B81 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263B81

10.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263B81	#FFFFFF	#000000	##FFFFFF
##263B81	1.00	10.37	2.03	10.37
#FFFFFF	10.37	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D4483

Deuteranopia (green-blind)

#003C80

Tritanopia (blue-blind)

#004C58

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #263b81;
/* rgb */ color: rgb(38, 59, 129);
/* oklch */ color: oklch(37.8% 0.121 267.7);

Tailwind

colors: {
  custom: {
    50: '#6c70a6',
    500: '#263b81',
    950: '#000000',
  },
}

SCSS

$custom: #263b81;
$custom-light: #6c70a6;
$custom-dark: #000000;

JSON

{
  "hex": "#263b81",
  "rgb": {
    "r": 38,
    "g": 59,
    "b": 129
  },
  "hsl": {
    "h": 226.154,
    "s": 54.491,
    "l": 32.745
  },
  "oklch": {
    "l": 0.37764,
    "c": 0.12088,
    "h": 267.7
  },
  "luminance": 0.05125
}

Semantic roles & 50–950 ramp

primary

#263B81

secondary

#B19B51

accent

#BC4ADE

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#08070F

muted

#7A7A7F

Preview Lab

Preview with #263B81

Body copy rendered with the generated semantic roles for this colour.

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